<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Map3D - ECHARTS-GL</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS -->
    <link rel="stylesheet" href="./common.css">
</head>
<body>
<div id="main"></div>
<script src="../node_modules/echarts/dist/echarts.js"></script>
<script src="../dist/echarts-gl.js"></script>
<script src='lib/mapbox-gl.js'></script>
<link href='lib/mapbox-gl.css' rel='stylesheet'/>
<script src="lib/jquery.min.js"></script>
<script src="js/commonUI.js"></script>
<script>
    mapboxgl.accessToken = window.location.search.slice(1);
    var chart = echarts.init(document.getElementById('main'), null, {
        devicePixelRatio: 1
    });

    $.getJSON('data/hangzhou-tracks.json', function (data) {
        var lines = data.map(function (track) {
            return {
                coords: track.map(function (seg, idx) {
                    return seg.coord.concat([seg.elevation]);
                })
            };
        });
        var len = lines.length;
        for (var i = 0; i < 5; i++) {
            for (var k = 0; k < len; k++) {
                var coords = lines[k].coords;
                lines.push({
                    coords: coords.map(function (coord) {
                        return [
                            coord[0] + (Math.random() - 0.5) / 9e4,
                            coord[1] + (Math.random() - 0.5) / 9e4,
                            coord[2] + (Math.random() - 0.5) / 9e4,
                        ];
                    })
                });
            }
        }

        chart.setOption({
            mapbox3D: {
                center: [120.13066322374, 30.240018034923],
                zoom: 14,
                pitch: 50,
                bearing: -10,
                altitudeScale: 2,
                style: 'mapbox://styles/mapbox/dark-v9',
                postEffect: {
                    enable: true
                }
            },
            series: [{
                type: 'lines3D',

                coordinateSystem: 'mapbox3D',

                effect: {
                    show: true,
                    constantSpeed: 10,
                    trailWidth: 3,
                    trailLength: 0.4,
                    trailOpacity: 1
                },

                blendMode: 'lighter',

                polyline: true,

                lineStyle: {
                    width: 1,
                    color: 'rgb(50, 50, 150)',
                    opacity: 0.5
                },

                data: lines
            }]
        });
    });

    window.addEventListener('resize', function () {
        chart.resize();
    });

</script>
</body>
</html>
